diff --git a/theme-customisations.php b/theme-customisations.php
index c5e3ff8..03f3cd0 100755
--- a/theme-customisations.php
+++ b/theme-customisations.php
@@ -50,7 +50,7 @@ public function theme_customisations_setup() {
 	 * @return void
 	 */
 	public function theme_customisations_css() {
-		wp_enqueue_style( 'custom-css', plugins_url( '/custom/style.css', __FILE__ ) );
+		wp_enqueue_style( 'custom-css', plugins_url( '/custom/style.css', __FILE__ ), '', filemtime(__DIR__ . '/custom/style.css') );
 	}
 
 	/**
@@ -59,7 +59,7 @@ public function theme_customisations_css() {
 	 * @return void
 	 */
 	public function theme_customisations_js() {
-		wp_enqueue_script( 'custom-js', plugins_url( '/custom/custom.js', __FILE__ ), array( 'jquery' ) );
+		wp_enqueue_script( 'custom-js', plugins_url( '/custom/custom.js', __FILE__ ), array( 'jquery' ), filemtime(__DIR__ . '/custom/custom.js') );
 	}
 
 	/**